Patents by Inventor Daniel Duche

Daniel Duche has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Use of ergothioneine and/or its derivatives as an anti-pollution agent
    Publication number: 20040047823
    Abstract: The invention concerns the use of ergothioneine and/or its derivatives for topical application as anti-pollution agent, preferably as cosmetic anti-pollution agent, and a cosmetic treatment method using ergothioneine and/or its derivatives.
    Type: Application
    Filed: August 28, 2003
    Publication date: March 11, 2004
    Inventors: Philippe Catroux, Jose Cotovio, Daniel Duche
  • Use of n,n' -dibenzyl ethylene diamine-n, n'- diacetic acid derivatives as anti-pollution agent
    Publication number: 20040039059
    Abstract: The invention concerns the use for topical application of at least a N,N′-dibenzyl ethylene diamine N,N′-acetic acid derivative or salt, a metal complex or an ester of such a derivative as anti-pollution agent, preferably as cosmetic anti-pollution agent.
    Type: Application
    Filed: July 24, 2003
    Publication date: February 26, 2004
    Inventors: Philippe Catroux, Jose Cotovio, Daniel Duche, Jean-Baptiste Galey
  • Use of ellagic acid as an anti-pollution cosmetic agent
    Publication number: 20040013696
    Abstract: The invention concerns the use for topical application of ellagic acid as cosmetic antipollution agent and a cosmetic treatment method for protecting the organism against pollution effects.
    Type: Application
    Filed: July 10, 2003
    Publication date: January 22, 2004
    Inventors: Daniel Duche, Jose Cotovio, Philippe Catroux